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slavikrds [6]
3 years ago
9

During the process of transpiration, water _______ a plant through the _______.

Chemistry
1 answer:
andrey2020 [161]3 years ago
3 0
Right answer is B . Trust me .
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Chemistry homework about elements and compounds.
galben [10]
1. 3 elements, Mg: 1, S: 1, O: 4
2. 3 elements, Li: 3, P: 1, O: 4
3. 3 elements, H: 2, S: 1, O: 4

1. KOH
2. AlOH
3. AlSO4
8 0
2 years ago
Calculate the mass of aluminum that would have the same number of atoms as 6.35 g of cadmium ​
Sergeu [11.5K]

Answer:

1.62 g of Al contain the same number of atoms as 6.35 g of cadmium have.

Explanation:

Given data:

mass of cadmium = 6.35 g

Number of atoms of aluminum as 6.35 g cadmium contain = ?

Solution:

Number of moles of cadmium = 6.35 g/ 112.4 g/mol

Number of moles of cadmium = 0.06 mol

Number of atoms of cadmium:

1 mole = 6.022×10²³ atoms of cadmium

0.06 mol × 6.022×10²³ atoms of cadmium/ 1mol

0.36×10²³ atoms of cadmium

Number of atoms of Al:

Number of atoms of Al = 0.36×10²³ atoms

1 mole =  6.022×10²³ atoms

0.36×10²³ atoms × 1 mol   /6.022×10²³ atoms

0.06 moles

Mass of aluminum:

Number of moles = mass/molar mass

0.06 mol = m/ 27 g/mol

m = 0.06 mol ×27 g/mol

m = 1.62 g

Thus, 1.62 g of Al contain the same number of atoms as 6.35 g of cadmium have.

6 0
3 years ago
What is enthalpy of atomisation
Komok [63]
The enthalpy of atomization (also atomisation in British spelling) is the enthalpy change that accompanies the total separation of all atoms in a chemical substance (either a chemical element or a chemical compound)
5 0
3 years ago
Many grams of aluminum are required to produce 3.5 moles Al2O3 in the presence of excess O2?
Aleks [24]
The  grams  of aluminum  that are required   to produce  3.5  moles of AlO3  in  presence of excess O2   is calculated as  below

write  the  equation for reaction
4 Al + 3O2 =2 Al2O3

by use of mole  ratio between  Al  to  Al2O3   which  is  4 :2  the moles of  Al 
=3.5 x4/2 = 7  moles

mass of Al  =  moles /   x molar mass

= 7 moles  x27 g/mol  =189  grams

4 0
3 years ago
How many moles are represented by 118g of cobalt? Cobalt had an atomic mass of 58.93amu
skad [1K]
N=m/M
n=118/58.93=2
Answer: 2 moles
5 0
3 years ago
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